L15 Series Operator Manual
23
Appendix A: RF Driver D-sub 15 Connector
Custom Controls and Signals at the D-sub 15 Connector
Pin
#
FUNCTION
MODE 0
Action / Result
MODE 1
Action / Result
1
5 VDC, 20 mA capacity, power ready.
Connection to an external red LED.
Red LED off / No power.
Red LED on /
Powered
2
Connected to an external green LED to
indicate
laser ready status, up to 10 mA supplied.
Green LED off / Laser
not ready. Fault due to
RF overtemp, interlock
opened, or key switch
fault.
Green LED on /
Laser is ready to
fire
3
Safety Key Switch Connection. When
this pin is enabled by PIN 6 and there is a
power outage or opening interlock (PIN
4), this pin needs to be pulled high and
then low again to restore laser operation.
Short to PIN 15 / DC
power supply is
connected to laser
Open / No DC
power to laser
4
Safety Interlock = top level laser enable.
This pin also needs to be enabled by PIN
6.
Short to PIN 15 / Laser
enabled at the top level
Open / Laser not
operational
5
AVC (Pin 11) Enable
Short to PIN 15 / Enables
AVC together with PIN
10
Open / Disables
AVC
6
CDRH Safety Mode. Controls key switch
on PIN 3 and Safety Interlock of PIN 4.
Short to PIN 15 / Enables
key switch
Open / Disables
key switch
7
Gate for Laser Enable
Not connected or
connected to 0V / Laser
disabled
Connected to 5V
or to PIN 1 /
Laser enabled
